Buying used auto parts online is one of the smartest and most affordable ways to maintain your vehicle. Whether you’re a DIY car owner or a mechanic, you can find reliable and budget-friendly components for almost any make and model. At Eco Auto Parts USA, we make it easy to get high-quality used parts shipped to your door—fast and affordably.

Whether you’re replacing an engine, fixing your suspension, or upgrading your lights, here are the top 10 used car parts that offer serious savings and long-lasting performance.

Top 10 Used Auto Parts to Buy Online


1. Engines

A brand-new engine can cost thousands, but a used engine saves you a significant amount while still offering excellent performance. Every engine we sell is tested, inspected, and covered under warranty.

Used car engine for sale online
Used car engine for sale online

2. Transmissions

Looking for a reliable transmission? Whether it’s automatic or manual, our tested and verified transmissions are perfect for getting your car back on the road at a lower cost.

Buy used transmissions online USA
Buy used transmissions online USA

3. Alternators

A failing alternator is a common and expensive issue. Our used alternators are tested for performance and compatibility, offering a budget-friendly solution for your charging system.


4. Starters

If your vehicle won’t crank, a faulty starter could be the reason. Our inventory of used starters delivers dependable performance at a fraction of dealership pricing.


5. Radiators

Cooling system problems? Replace your faulty radiator with one in excellent condition. It’s a cost-effective way to avoid overheating issues without buying brand-new.


6. Auto Body Parts (Doors, Bumpers, Fenders)

Body repairs don’t have to be expensive. From doors and hoods to bumpers and fenders, we offer parts that help restore your vehicle’s appearance and safety at an affordable price.

OEM used auto body parts online
OEM used auto body parts online

7. Headlights & Taillights

Restore visibility and safety with headlights and taillights that are tested and compatible with your vehicle’s make and model.


8. Wheels and Rims

Need to replace a damaged rim or upgrade your look? We stock wheels and rims that fit your vehicle perfectly—at a much lower cost than new parts.


9. ECMs and Control Modules

The engine control module (ECM) is your car’s brain. If it fails, don’t overspend—buy a tested unit that’s compatible with your car and backed by our quality guarantee.


10. Suspension Parts

Keep your ride smooth and safe. We carry a wide range of suspension parts, including control arms, shocks, and struts, all inspected for performance.


Why Choose Eco Auto Parts USA?

  • High-quality used auto parts
  • Fast nationwide shipping
  • Warranty on all mechanical parts
  • Friendly customer support
  • VIN matching and fitment guarantee

We’re committed to helping you save money, extend your vehicle’s life, and reduce environmental waste through recycled parts.


Shop Online and Save

At Eco Auto Parts USA, you’ll find everything from engines and transmissions to headlights, modules, and body parts—ready to ship nationwide. Visit us today and get back on the road with confidence.